Quote:
Originally Posted by Tower
Sounds like sanitary issues.
Ask your doctor how one gets Polio. Bet you he doesn't know.
The decrease of disease is due to proper sanitation.
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This is really a headscratcher.
Do you think the vaccine had anything to do with the disease being effectively eradicated in the western hemisphere?
Did everyone get "proper sanitation" right after the vaccine was developed? Like a coincidence?